In the last step, make sure you are targeting ASP.NET Core, at least 3.0. Other options can be customized. For an empty web site, choose the Empty project template, as it does not have any unnecessary logic.

Continue with Create.

Add a package reference to PeachPied.WordPress.AspNetCore. Right click the project and select Manage NuGet Packages.... Switch to the Browse tab, tick Include prerelease, and search for PeachPied.WordPress.AspNetCore.

Click Install and wait for the process to complete. Accept the license terms if prompted.